*** Assertion failure in -[UICollectionViewData validateLayoutInRect:], /SourceCache/UIKit_Sim/UIKit
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*** Assertion failure in -[UICollectionViewData validateLayoutInRect:], /SourceCache/UIKit_Sim/UIKit-3347.44.2/UICollectionViewData.m:426
把自己遇到的坑记录下来......
如果在一个VC中使用了两个UICollectionView, 在使用reloadData更新视图时如果数据源个数多于更新之前的个数,就有可能出现Assertion failure
解决办法就是:千万不要使用同一个flowLayout!!!
2 0
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